Keysight U1271A - Page 29

Calibration Procedures 1
Keysight U1270 Series Service Guide 29
LPF While the rotary switch is in
the position, press the
key once.
3 V 3 V, 20 Hz - ±0.0325 V
3 V, 45 Hz ±0.0230 V ±0.0200 V
3 V, 65 Hz ±0.0230 V ±0.0200 V
2.7 V, 430 Hz ±0.1375 V ±0.1375 V
3
Frequency While the rotary
switch is in the position, press
the key once.
9.9999 kHz 1.0000 kHz,
0.096 V
±0.0005 kHz ±0.0005 kHz
4
Duty cycle While the rotary
switch is in the position, press
the key twice.
99.99% 50%, 100 Hz,
3 Vpp square wave
±0.3% ±0.3%
5
ACmV Turn the rotary switch to
the position.
30 mV 30 mV, 20 Hz - ±0.235 mV
30 mV, 45 Hz - ±0.200 mV
30 mV, 65 Hz - ±0.200 mV
30 mV, 1 kHz - ±0.235 mV
30 mV, 5 kHz - ±0.325 mV
30 mV, 20 kHz - ±0.340 mV
30 mV, 100 kHz - ±1.090 mV
300 mV 300 mV, 20 Hz - ±2.35 mV
300 mV, 45 Hz ±2.30 mV ±2.00 mV
300 mV, 65 Hz ±2.30 mV ±2.00 mV
300 mV, 1 kHz ±3.25 mV ±2.35 mV
300 mV, 5 kHz ±6.25 mV ±3.25 mV
300 mV, 20 kHz ±6.40 mV ±3.40 mV
300 mV, 100 kHz - ±10.90 mV
Table 1-2 Performance verification tests (continued)
Step Test function Range 5520 output Error from nominal 1 year
U1271A U1272A/
U1273A/U1273AX
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